What's up with all the different Tomcats?

[Hunter Hillegas]

Okay... What's the story with the different versions...

3.2.1 is the current release and 3.2.2 is a beta of a maintenance...

But what's the deal with 3.3 AND 4.0?

I know 4.0 is based on Servlet 2.3, but what else?

Hunter